The meaning of BLAH is silly or pretentious chatter or nonsense. How to use blah in a sentence.

BLAH definition: 1. not very good, special, or interesting: 2. not feeling much interest, energy, or excitement…. Learn more.

blah (blɑ) Informal. n. 1. meaningless chatter; nonsense. 2. the blahs, a feeling of physical uneasiness, general discomfort, or mild depression; malaise.

BLAH definition: nonsense; rubbish. See examples of blah used in a sentence.

Feb 8, 2026 · Adjective blah (comparative more blah, superlative most blah) (informal) Dull; uninteresting; insipid. Well, the new restaurant seems nice, but their menu is a little blah.

(informal) Dull; uninteresting; insipid. Well, the new restaurant seems nice, but their menu is a little blah.

You use blah, blah, blah to refer to something that is said or written without giving the actual words, because you think that they are boring or unimportant.

/blɒ/ IPA guide Other forms: blahs Definitions of blah noun pompous or pretentious talk or writing synonyms: bombast, claptrap, fustian, rant

from The American Heritage® Dictionary of the English Language, 5th Edition. noun Worthless nonsense; drivel. noun A general feeling of discomfort, dissatisfaction, or depression. adjective Dull …

Blah is usually repeated to suggest that what someone is saying is unimportant or boring. He got tired of hearing his mother tell him to brush his teeth, clean his room, blah, blah, blah.